Overview
The STM32L011F4U6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It is based on the ARM® Cortex®-M0+ 32-bit RISC core, operating at a maximum frequency of 32 MHz. This microcontroller is designed for high power efficiency and is suitable for a wide range of applications requiring low power consumption.
The device features a comprehensive set of peripherals, including analog-to-digital converters, comparators, timers, and communication interfaces such as USART, SPI, and I2C. It also includes a real-time clock and backup registers, making it versatile for various embedded system designs.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM® 32-bit Cortex®-M0+ |
| Maximum Frequency | 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Flash Memory | Up to 16 KB with ECC |
| RAM | 2 KB |
| Data EEPROM | 512 bytes with ECC |
| Backup Register | 20 bytes |
| ADC | 12-bit, up to 10 channels |
| Comparators | 2 ultra-low-power comparators |
| Timers | 7 timers including 16-bit and ultra-low-power timers, SysTick, and RTC |
| Communication Interfaces | 1x USART, 1x UART (low power), 1x SPI, 1x I2C |
| Package | UFQFPN20 3x3x0.6 mm |
| Low-Power Modes | Standby: 0.23 μA, Stop: 0.34 μA, Stop + RTC + 2 KB RAM retention: 0.67 μA |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, etc.)
- High-performance ARM® Cortex®-M0+ core with up to 32 MHz frequency
- Rich analog peripherals including 12-bit ADC, ultra-low-power comparators, and temperature sensor
- Comprehensive set of communication interfaces: USART, SPI, I2C, and low-power UART
- Seven timers including 16-bit timers, ultra-low-power timer, SysTick, and RTC
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- Programmable voltage detector (PVD) and ultralow power POR/PDR
- Internal and external clock sources with PLL for CPU clock
- Pre-programmed bootloader and serial wire debug support
- Up to 38 fast I/Os (31 I/Os 5V tolerant)
Applications
- IoT devices requiring low power consumption
- Industrial automation and control systems
- Medical devices and healthcare applications
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- Sensor networks and data logging systems
Q & A
- What is the core architecture of the STM32L011F4U6TR?
The STM32L011F4U6TR is based on the ARM® Cortex®-M0+ 32-bit RISC core.
- What is the maximum operating frequency of the STM32L011F4U6TR?
The maximum operating frequency is 32 MHz.
- What is the power supply range for the STM32L011F4U6TR?
The power supply range is from 1.65 V to 3.6 V.
- What are the low-power modes available in the STM32L011F4U6TR?
The device features Standby, Stop, and Stop + RTC + 2 KB RAM retention modes, consuming 0.23 μA, 0.34 μA, and 0.67 μA respectively.
- What types of communication interfaces are available on the STM32L011F4U6TR?
The device includes USART, SPI, I2C, and a low-power UART.
- What is the temperature range for the STM32L011F4U6TR?
The operating temperature range is from -40 to 125 °C.
- How much flash memory does the STM32L011F4U6TR have?
The device has up to 16 KB of flash memory with ECC.
- What are the key analog peripherals of the STM32L011F4U6TR?
The device includes a 12-bit ADC, ultra-low-power comparators, and a temperature sensor.
- Does the STM32L011F4U6TR support serial wire debug?
Yes, the device supports serial wire debug.
- What is the package type of the STM32L011F4U6TR?
The device is available in the UFQFPN20 3x3x0.6 mm package.
